[Sidefx-houdini-list] Houdini Mental Ray

zoran arizanovic zoran.arizanovic at gmail.com
Thu Aug 2 04:44:30 EDT 2007


this is nice news Jan!
I come from gaming background and will be nice to see best of both merging!
I remember how thrilled were guys on odforce when Unreal 3 dynamics promo
movies came out....
regards
z

On 8/1/07, Jan Walter <jwalter at d2.com> wrote:
>
> Well, since yesterday it's kind of official, that FX Composer ships with
> mental mill (Artist Edition):
>
> http://developer.nvidia.com/object/fx_composer_home.html
> http://www.mentalimages.com/2_4_1_mentalmill_ae/
>
> Read the white paper about what mental mill really is, but in short I
> can say the shading language MetaSL is much simpler (easier to learn)
> in  comparison to mental ray's C/C++ API (especially for those guys who
> have a RenderMan background). The mental mill API has basically two
> libraries: One for the GUI (e.g. wire your black boxes or phenomena to a
> shading network - as you would do in e.g. the VEX Builder), one for the
> compilation into several back ends (e.g. Cg, GLSL, HLSL, C++). Might be
> interesting for those guys who start thinking about merging the movie
> and game industry. You get HW (GPU support) and SW versions from the
> same source tree (just using different back ends). And I guess that's
> all I can say about it right now ...
>
> Cheers,
>
> Jan
>
> Andrew D Lyons wrote:
> > I can completely see the arguments for mental ray from sidefx.
> >
> > Perhaps though this is one of the things that the community needs to
> > take care of. I've been noticing lately with H9 that whenever I run
> > into a problem with Prman integration. SESI can point me at a SOHO
> > python file to do an immediate fix, and then they roll out the same
> > fix in the next build. The point being that it is increasingly easy to
> > build support for any renderer into Houdini 9 using HDA's and SOHO. It
> > would only take a few places to pool resources or share tools for
> > Mental ray support to really come along. But then again maybe SESI
> > will do it if the support is strong enough. I'm kind of glad that they
> > support prman so well, but I'm also hoping they devote adequate
> > resources to see Mantra/VOPs come along as well, because at the end of
> > the day it has so much going for it, and unless proper resources are
> > devoted to it - it might not get off the ground. Strategically
> > speaking, making Mantra/VOPs the best that they can be is arguably a
> > better focus for SESI than playing second fiddle to the renderers used
> > by the competition...
> >
> > Cheers
> >
> >
> > On 01/08/07, Jean-Claude Nouchy <jclaude at mimgfx.com> wrote:
> >
> >> I'm not a Mantra guru nor a MR eighter, I'm not a shader writer
> afterall
> >> but I can share my personal experience about this point.
> >>
> >> I start by saying that I personaly think there is a point to have MR
> and
> >> PRman support in Houdini even if we all know Mantra now kickass pretty
> >> much and even more on many sides, render and shading talking, and most
> >> important money talking...
> >>
> >> .. but..
> >>
> >> until last December and for ealier one year and half I spent my time
> (and
> >> some money even) trying to get the company i was working for including
> >> Houdini inthe pipeline, mostly trying to build a VFX team from scratch,
> I
> >> trained (based on my little knowledge) 3 guys and built the whole
> pipeline
> >> for the XSI<->Houdini<->Maya workflow..
> >>
> >> after a certain moment, rendering was the ultimate task to solve..
> >> the point was that the whole pipeline was XSI based with just a couple
> of
> >> Maya boxes as well.. and a whole MentalRay based Renderfarm.
> >> I tried to convince that Mantra was more than enought for the purpose
> we
> >> needed but obviously I wasnt able to care about advanced Shaders
> writing
> >> and such.. and the Shaders writers there simply wonted consider moving
> to
> >> Mantra..
> >>
> >> that's a scenario i'm sure is not so uncommon in small-mediumsmall
> >> companies where Houdini is not the main platform or where it gets
> >> introduced later than XSI or Maya (therefore Mental Ray or PrMan)...
> >>
> >> PrMan is greatfully supported by Houdini.. while MentalRay is not.
> >> This should change.. just cause that's a big "obstacle" companies could
> >> might wont to deal with when choosing Houdini .. and therefore ending
> by
> >> choosing Maya (or XSI in my case.. after a 1,5 wasted year of work, but
> >> reasons were also other more than rendering with Mantra).
> >>
> >> that said... when I moved to Houdini from XSI .. and when I discovered
> VOP
> >> network over Xsi's Rendertree.. man .. i was amazed! and that's the
> first
> >> thing I show people when I want to make their jaws drop.
> >>
> >>
> >> my 0.02 (maybe too long story for 0.02, sorry)
> >>
> >>
> >>
> >>
> >>> Having worked exclusively with Mantra for such a long time
> >>> I've definitely seen some major developments and improvements
> >>> over the years.
> >>>
> >>> But it's most interesting to see what appears to be a significant
> >>> shift in attitude ( toward Mantra) over the last 5 years or
> >>> so from those who have traditionally used other renderers
> >>> such as PRman or MR.
> >>>
> >>> I'm assuming VOPs has played a big role in this attitude shift.
> >>> But ( if anyone cares to share their opinions) it would be great
> >>> to hear about other points of comparison that have really helped
> >>> to sell people on Mantra over recent years ................ simply
> >>> to help get a better perspective on the issue.
> >>>
> >>> Thanks in advance for any thoughts.
> >>>
> >>> Larry
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>  Personally, I don't see the point in MR since Mantra
> >>>> kicks so much ass now, and is so much cheaper (i.e. free) than MR or
> >>>> PRman.
> >>>>
> >>>>
> >>> _______________________________________________
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> >>> Sidefx-houdini-list at sidefx.com
> >>> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> >>>
> >>>
> >> --
> >> .:: jean-claude ::.
> >> .:: mimgfx.com  ::.
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> >>
> >>
> >
> >
> >
>
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-- 
Zoran Arizanovic
http://arizanovic.blogspot.com/



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